Required: ☐ Review the Healthy Tree Canopy program request for proposals. ☐ Project Application (You must follow the format provided below.Follow the proposal format included in the RFP. For some proposals, that may entail filling out a form with specific questions. Applicants must submit one electronic copy of the Application Form in PDF format. 2.2 Proposal submission. Proposals will be received in the Hennepin County supplier portal. Below are templates for descriptions of several of the HHRI's and HCMC's facilities where research is being conducted.